package com.qfedu.service;

import com.qfedu.model.Product;

import java.util.List;


public interface ProductService {

    List<Product>  findAll();

    Product findProByPid(int id);

    int addProduct(Product product);

    int updatePro(Product product);

    int deleteProduct(int id);

    void deleteBatch(List<Integer> list);
}